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I have been using a 25VA transformer without any problems, but it happened to trip the elcb/mccb once I plug it in.
I tested the primary windings and the secondary windings. The secondary windings seems to be short circuited with resistance of 0.3 ohm while primary with 70ohm. I tested other transformers and all secondary windings seems to be short circuit, even some primary windings.
Are all transformers like that?
I tested the primary windings and the secondary windings. The secondary windings seems to be short circuited with resistance of 0.3 ohm while primary with 70ohm. I tested other transformers and all secondary windings seems to be short circuit, even some primary windings.
Are all transformers like that?